Alasia, D. D., O. Maduka, K. Wariso, T. Awopeju, and F. Emuh. “SARS-CoV-2 Recurrence and Probable Reinfection: Outcome of a Descriptive Surveillance in a Nigerian Tertiary Hospital”. International Journal of Research in Medical Sciences, vol. 9, no. 6, May 2021, pp. 1498-0, doi:10.18203/2320-6012.ijrms20211912.